Chiang Rai residents urged to stay indoors as PM2.5 at hazardous levels
The Department of Health has warned residents in Chiang Rai province that particulate matter less than 2.5 microns in diameter (PM2.5) in the air remains at hazardous levels.
Department director-general Dr Panpimol Wipulakorn suggested that children, pregnant women, elderly and people with health conditions stay indoors to prevent exposure to dust.
The Nation Reporter
